If your research benefits from the use of DFBS, we would appreciate the following acknowledgement in your paper:
"This work has made use of the Digitized First Byurakan Survey (DFBS), which is a joint project among the Byurakan Astrophysical Observatory (BAO, Armenia), "La Sapienza" Universita di Roma (Italy), and Cornell University (Ithaca, N.Y., USA)".
Preferred reference is: Mickaelian et al. 2007, A&A 464, 1177.